let's go now to charles krauthammer with his thoughts on the debate. >> i thought romney won by two touchdowns. you know? when a challenger steps up on the stage that gives stature, when performing the way romney did, i think changes things. it changes momentum. romney campaign is at a terrible month. to the extent people are saying who is this guy? all of a sudden thrk romney shows up. and he's knowledgeable, confident and he's got nerve. he never backed down on any of time obama hurled a particular at him, he came back with a three-point answer. so i think he didn't just hold his own, but showed himself to be equal to the president and is taking one by far the majority of the rounds. think for him what that does is changes the narrative of the campaign that is so it's going nowhere, making mistake after mistake to one which people stop and say is that the guy? this is the first time they're seeing him unfiltered. that is not the guy we thought we read about and heard about. he's different from that. with obama, i thought he had a weak night. it looked as if he's sitting on a leaf. i can guar